The first paragraph of her Wikipedia article states, "Anne Christine of Sulzbach, Princess of Piedmont (Anne Christine Louise; 5 February 1704 – 12 March 1723), also called Christine of the Palatinate, was a princess of the Bavarian Circle of the Holy Roman Empire and first wife of Charles Emmanuel of Savoy, Prince of Piedmont, heir to the throne of the kingdom of Sardinia. She died during childbirth at the age of 19.” Her child died in infancy. She was succeeded as Charles Emmanuel of Savoy’s wife by Polyxena of Hesse-Rotenburg.
There is a portrait of either her of Maria Luisa Gabriela de Savoia here.
